Hello standalone activity #1095

Job	Run time
build-lint-test (3.14, ubuntu-latest)	16m 43s
build-lint-test (3.10, macos-arm)	5m 57s
build-lint-test (3.14, macos-arm)	10m 55s
build-lint-test (3.10, macos-intel)	8m 41s
build-lint-test (3.10, windows-latest)	6m 46s
build-lint-test (3.10, ubuntu-latest)	5m 59s
build-lint-test (3.14, windows-latest)	18m 46s
build-lint-test (3.14, macos-intel)	19m 44s
	1h 33m 31s

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